Multiple attachment for cameras



March 9 1926.

- H. R. HAYS MULTIPLE ATTACHMENT FOR CAMERAS Filed March 28,

HOWARD R. HAYS it y new- Tb all w igom it ma bone n 1:11. i that-L1Howernlilii Phi - Camera;

- In the co rs'ej' ofeonnnereial work-theuse of small plates often beeoines necessary and under; normal conditions eaeh plate, irre-.

'specti-vefo'f its size, requiresza fsinglefsensitiveqplate. As a measure? of eeonoiny as many as fourplatesare sometimes photo- 5 graphedon Lone; large-plate during four sep arate exposures; whichare'm'ade necessary .by the-fact that eaelr original niayrequire I difieren't "reductionand exposure; Camera 7- poiistriictioi often includes, as a builthrfegif ,ture', aplii' al'ityf of doors or fiaps preferably I (four; li'ielrjarefittedfintojthe soreenf oarry' ing boxand operated independently; from the; outside of. the box; one 7 door fopened iofexpo'seione quarter oftne sensitive plate,-f'the1 1 closed and the next" door: opened to" expose lainotheriqua rterl and soon;

" *Ac oording to the,present inventiom it is I the. urpose thereof; to ,iproyi'de a separate 1 reinovableg at achment, having nnilt ip lying :doorsorffiaps; which may be 11SCll11 one Camera-or another, asidesired.

Whars; Figure-2 is a substantially longitudinalfsection of theboX and attaehnient taken.

on line2+2 of Figure'l I'igure3 is, an ele'-' ational view of thescreencarrying box from; 'andiFigure 4f-is a longitudinal sec- 7 tioii al View of the box showing the multiple attacliment reniovably" supported in the :in'-;

the boir'rearwardly of the screen" bars; v.

larl y'igtoiltliesoreengcarryingbox, 1Q desig 'natesfth'e rectangular ooden frame having af'proitruding ledge '11 on ts (lower Wall pro I na m a fileii'lllgerelr '2 (1925; 7 serial no; 13 46;

egmjvent d- I i Attachments fqifg g of i flmlfo p i-le i f ns sa sp ificati n. .1

the; frame.

that when the jdoors of a pair are closed the or p i endsoverlapand prevent light leaks;v The; lg to ftlie jd'rawi'ngs, and. particle g 1,57a99i0 IroWA'RI R HASQS PHILADELPI-IIA, PENNSYLVANIA; 'AssIeNoR ro-lin owiinn- -s. :AwnmoN-EL Lev n- F PHILADELPHIA; PENNSYLVANIA.

the"fra1ne 10 to reeeiveand hold-thescreen ment,sho\yn particularly in Figures 1 'and2,

-itfwill be clear that the frame 15,, is sup- :vided with centeringprojections 12 to re-':. eeiyethe plate holder, not' shown. The in- .terior an offthe frame 10 'is provided with: I a lining set slightly baek of the face of the'box the'lining being developed tohouse 7 parts of the screen Carrying ineehanisin.

Suitable screen bars 14 *areqadjustablyflino'unted between the'lining 13 and facej of parallel with; the negative glass'in the plate 5 -l'1older,'all ofwhichis-Well'lmownand needs no' fiirvther detail description; iv I 'Referri g;- noW,--to the? multiple attach-" ported by the screen bars 14, in the same manner as the screen itselffwouldg be held.

rangeine'nt having four doors -16, tivo thereof being lunged to each upright side portion of hang thedoors 16 and'stopj 'plates 18 are The frame comprisesIaQreCtangular ar- J Suitable hinges 17 are. used to attaelied to and-project from the-inner mid-j portion of-the lateral sides'ofthe fralne loto prevent the doors 16*;froro"swinging outdoors 1.6 to vthe inside of thejbo x 10 and out I of the Way of any screen "operating mechanisni. A light-tight .eo nnectmnjis:effected:

between the free: edges of each pairlofdoors .16 by overlapping[tongues 19; one thereof being provided on the. outer edgefot eaeli;

rate quarters. l v

1n the preferred embodiment of the invention, illustrated part cularly n Figures Band al the i'raine 20 is Constructed o'f'a "wardly beyondthe faeelo fitheframe. a This construction:confines j the m'oyeinent of the use single piece of castjinetalwhich may be de-'" pended upon to retain its true dimensions. The doors or flaps 21 are thin metal sheets arrangedin pairs-land hinged to the upright nien'ibersotthe frames The length-of each door is: slightly, greater, than required to close one qnarter of the frame opening so npp'eriand lower portionsflof the frame aref-provided-with stop plates'22 disposed midway thereof, and to further ,in's'ure cor rect closed position of each doorv '20," the lat- 

